Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/Lj314fr12T7u3EHd0pJBnc+omyDIu05ECxriSI4z4EanwwYEyp3ZGr2n… (1,748 chars)"
  }
}